Commit 33bd38db authored by Måns Rullgård's avatar Måns Rullgård
Browse files

Stricter check for math.h functions

GCC is sometimes able to optimise constant calls to these functions,
incorrectly indicating that they exist.  Unoptimised calls will then
fail to link.

Originally committed as revision 21749 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 6b73c0ae
......@@ -675,7 +675,8 @@ check_mathfunc(){
disable $func
check_ld "$@" <<EOF && enable $func
#include <math.h>
int main(void){ $func(0); return 0; }
float foo(float f) { return $func(f); }
int main(void){ return 0; }
EOF
}
......
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